Finding the Fourth Proportional to 118,863.97, 177,057.38 and 112,552.99
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Solution
The fourth proportional to 118,863.97, 177,057.38 and 112,552.99 is: 167,656.67
Step by Step Solution
- Step 1: Write the proportion equation
118,863.97 : 177,057.38 = 112,552.99 : x - Step 2: Convert to fraction form
118,863.97/177,057.38 = 112,552.99/x - Step 3: Cross multiply
118,863.97x = 177,057.38 × 112,552.99 - Step 4: Simplify right side
118,863.97x = 19,928,337,359.31 - Step 5: Solve for x
x = 19,928,337,359.31/118,863.97 - Step 6: Final answer
x = 167,656.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.